Building construction and superintendence, by F.E. Kidder ... (1896)
Kidder, Frank E. (Frank Eugene), 1859-1905 · New York, W.T. Comstock · leaf 318
xtreme height of the lintel at the centrenot less than two-thirds nor greater than the width of the flange. Thestrength of the lintel may be somewhat increased by stiffening theweb at the centre by brackets, as shown by dotted lines at A. Where the width of the flange must be over 16 inches two… … Fig. 209. should be placed side by side. The thickness of the metal should notbe less than \ inch, and the web should be about \ inch thicker thanthe flange. 3°4 B UILDING CONS TRI( TION. When proportioned as above the strength of the lintel to support adead load may be safely made equal to 9700 X…
Building
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